ClassID:

168845

G01N30/64 - CPC Classification

Classification description:

Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation; Column chromatography; Detectors specially adapted therefor Electrical detectors

Sub-classes:
Recent Application in this class:
#1
20260063597
2026-03-05

REAGENT FREE ION CHROMATOGRAPHY SYSTEM WITH ELECTROCHEMICAL DETECTION AND DEVICES CONTAINING PLATINUM GROUP METALS

#2
20260049967
2026-02-19

COMBUSTION GAS ABSORPTION LIQUID GENERATION DEVICE AND COMBUSTION ION CHROMATOGRAPH

#3
20250334597
2025-10-30

Sequential sample adding device and automatic sequential sample adding system

#4
20250320178
2025-10-16

AMPHETAMINE CARBAMATE COMPOUNDS AND METHODS

#5
20250244334
2025-07-31

AN IMPROVED METHOD FOR SEPARATING AND DETECTING OF FREE OR RESIDUAL POLYETHYLENE GLYCOL IN PEGYLATED PROTEIN MIXTURE

#6
20250242277
2025-07-31

Method of Monitoring a Chemical Process in a Column Apparatus

#7
20250237629
2025-07-24

METHOD FOR QUANTIFYING SULFUR-CONTAINING COMPOUND

#8
20250208099
2025-06-26

METHOD FOR DETERMINING OXALIC ACID CONTENT OF DIMETHYL OXALATE

#9
20250027912
2025-01-23

ELECTRICAL CONDUCTIVITY DETECTOR

#10
20250012757
2025-01-09

DIRECT CURRENT NANOELECTRONIC SENSOR

#11
20250002834
2025-01-02

SENSOR MEASUREMENT COMPENSATION IN BIOPROCESSING SYSTEMS

#12
20240395524
2024-11-28

PROCESS AND DEVICE FOR DETECTING AN OPERATING STATE OF A PHOTOIONIZATION DETECTOR

#13
20240393293
2024-11-28

Integrated Micro-Photoionization Detector With An Ultrathin Ultraviolet Transmission Window

#14
20240385151
2024-11-21

ULTRA-WIDE DYNAMIC RANGE DIFFERENTIAL CONDUCTIVITY DETECTOR CIRCUIT FOR ION CHROMATOGRAPHY

#15
20240353378
2024-10-24

ANALYSIS DEVICE AND ANALYSIS METHOD FOR QUALITY INDEX OF NATURAL GAS PRODUCT AND APPLICATION

#16
20240345045
2024-10-17

ABSOLUTE QUANTITATION OF NITROSAMINES

#17
20240345041
2024-10-17

PHOTOIONIZATION DETECTOR

#18
20240327337
2024-10-03

AMPHETAMINE CARBAMATE COMPOUNDS AND METHODS

#19
20240248101
2024-07-25

VITAMIN C RENAL LEAK AS A CLINICAL DIAGNOSTIC TOOL IN THE DETECTION, MONITORING, AND MANAGEMENT OF ACUTE AND CHRONIC DISEASES

#20
20240230602
2024-07-11

Electrolytic Device Noise Reduction and Lifetime Improvement Using Modulated Driver

#21
20240201146
2024-06-20

DISPOSABLE THIN-FILM PLATINUM HYDROGEN REFERENCE ELECTRODE

#22
20240133849
2024-04-25

Electrolytic Device Noise Reduction and Lifetime Improvement Using Modulated Driver

#23
20240077461
2024-03-07

ION CHROMATOGRAPHY ANALYSIS SYSTEM

#24
20230393095
2023-12-07

PHOTOIONIZATION DETECTOR LAMP AND ITS METHOD OF MANUFACTURE

#25
20230286909
2023-09-14

Amphetamine carbamate compounds and methods

#26
20230266285
2023-08-24

LOW TEMPERATURE OLIGOSACCHARIDE ANALYTICAL SYSTEM AND METHOD

#27
20230194484
2023-06-22

Method and system for self-regulating a suppressor

#28
20230165515
2023-06-01

WEARABLE HEALTH MONITORING DEVICE

#29
20230094325
2023-03-30

GAS COMPONENT DETECTION DEVICE

#30
20230075933
2023-03-09

CHECK STANDARD RECYCLE SETUP FOR ION CHROMATOGRAPHY

#31
20230022034
2023-01-26

Controlling the purification of a macromolecule solution via real-time multi-angle light scattering

#32
20220390424
2022-12-08

Photoionization detector automated zero level calibration

#33
20220365052
2022-11-17

SYSTEM, APPARATUS, AND METHOD FOR MONITORING ORGANIC COMPOUNDS IN A GAS ENVIRONMENT

#34
20220365044
2022-11-17

Liquid chromatography analyte reaction and analysis system

#35
20220326193
2022-10-13

Methods, mediums, and systems for linking chromatography data and metadata to compliance risks

#36
20220291177
2022-09-15

APPARATUS AND METHODS FOR DETECTING AND QUANTIFYING ANALYTES

#37
20220252517
2022-08-11

Emission-based detector for capillary gas chromatography

#38
20220244225
2022-08-04

Detector for liquid chromatograph

#39
20220213029
2022-07-07

Amphetamine carbamate compounds and methods

#40
20220187256
2022-06-16

CATION CHROMATOGRAPHY USING PREDICTED ELUTION BUFFER SALT CONCENTRATION

#41
20220146470
2022-05-12

METHOD FOR THE DETECTION AND QUANTIFICATION OF FOSMOMYCIN, IMPURITIES AND DEGRADATION PRODUCTS THEREOF

#42
20220142557
2022-05-12

Volatile organic compound detection device

#43
20220137011
2022-05-05

Analysis system and analysis execution method

#44
20220137010
2022-05-05

METHODS OF DETERMINING PROTEIN STABILITY

#45
20220128523
2022-04-28

Control of a buffer preparation process

#46
20220113287
2022-04-14

Methods for simultaneous quantification of anions using ion chromatography and suppressed ion conductivity

#47
20220099636
2022-03-31

Dielectric barrier discharge ionization detector and gas chromatography analyzer

#48
20220065721
2022-03-03

Adiabatic reducing pressure transducer, system and method

#49
20220011281
2022-01-13

ION-EXCHANGE CHROMATOGRAPHY SYSTEM FOR ANALYZING ELECTROLYTE SOLUTION, METHOD OF QUANTITATIVE ANALYSIS OF LITHIUM SALTS IN ELECTROLYTE SOLUTION, AND PREPARATION METHOD FOR ELECTROLYTE SOLUTION USING SAME

#50
20210364484
2021-11-25

Flame photometric detector

#51
20210341422
2021-11-04

Integrated micro-photoionization detector with an ultrathin ultraviolet transmission window

#52
20210338142
2021-11-04

Health monitoring device

#53
20210321934
2021-10-21

Volatile organic compound detection device

#54
20210251560
2021-08-19

Seizure detection device

#55
20210217600
2021-07-15

Variable discriminator threshold for ion detection

#56
20210208116
2021-07-08

Instrument and method for simultaneously testing molecular weight distribution and organic nitrogen level of water sample

#57
20210208115
2021-07-08

Heaters and their use in temperature gradient and traveling wave chromatography

#58
20210181170
2021-06-17

Photoionization detector automated zero level calibration

#59
20210072200
2021-03-11

Dianhydride analysis method

#60
20210063370
2021-03-04

System, apparatus, and method for monitoring organic compounds in a gas environment

#61
20210055242
2021-02-25

Electrical conductivity detector and method of determining phase adjustment value of background subtraction signal

#62
20210041411
2021-02-11

SYSTEM AND METHOD FOR MONITORING FOR THE PRESENCE OF VOLATILE ORGANIC COMPOUNDS

#63
20210010983
2021-01-14

MICROCHANNEL PHOTOIONIZATION DETECTOR

#64
20200371077
2020-11-26

Photoionization detector automated zero level calibration

#65
20200363326
2020-11-19

Real time monitoring of substance concentration, particularly of ammonia, in fish ponds and like environments

#66
20200359955
2020-11-19

Seizure detection device

#67
20200333231
2020-10-22

Differential viscometer with solvent compressibility correction

#68
20200319147
2020-10-08

Measuring instrument

#69
20200236772
2020-07-23

Dielectric barrier discharge ionization detector

#70
20200209202
2020-07-02

Electric conductivity detector and method for determining phase adjustment value

#71
20200166490
2020-05-28

Droplet generator system, detector for samples, corresponding method and use

#72
20200166484
2020-05-28

Gas chromatograph

#73
20200157487
2020-05-21

SYSTEM AND METHOD FOR REGULATING CELL CULTURE BASED PRODUCTION OF BIOLOGICS

#74
20200132639
2020-04-30

Ion suppressor and ion chromatograph

#75
20200124577
2020-04-23

Data structure and composite data generation device

#76
20200072803
2020-03-05

Combined UV/Vis-absorption and conductivity flow cell for liquid chromatography

#77
20200033306
2020-01-30

Liquid chromatography analyte reaction and analysis system

#78
20200016514
2020-01-16

Material phase with electrical lead

#79
20190369075
2019-12-05

Gas sensor

#80
20190369066
2019-12-05

Electric conductivity detector and ion chromatograph

#81
20190360883
2019-11-28

Adiabatic thermal pulse compensating pressure transducer and method

#82
20190301908
2019-10-03

Thermoresistive gas sensor

#83
20190277814
2019-09-12

Gas chromatograph

#84
20190250131
2019-08-15

Detector for gas chromatography

#85
20190162763
2019-05-30

Analysis control system

#86
20190113491
2019-04-18

Photoionization detector automated zero level calibration

#87
20190101513
2019-04-04

Systems and methods for chromatographic analysis

#88
20190094195
2019-03-28

System, apparatus, and method for monitoring organic compounds in a gas environment

#89
20180364205
2018-12-20

Techniques for determining equilibration and stability in scientific instrument systems

#90
20180284084
2018-10-04

METHODS FOR QUANTIFYING N-METHYL-2-PYRROLIDONE

#91
20180284078
2018-10-04

Gas chromatograph

#92
20180196020
2018-07-12

Preparative liquid chromatographic apparatus

#93
20180188146
2018-07-05

Differential viscometer with solvent compressibility correction

#94
20180172621
2018-06-21

Method of measuring an analyte with a reductive detection waveform

#95
20180164262
2018-06-14

Gas chromatography-ion mobility spectrometry apparatus

#96
20180164261
2018-06-14

Microfluidic photoionization detector

#97
20180164219
2018-06-14

Emission-based detector for capillary gas chromatography

#98
20180100840
2018-04-12

Nebulizer for charged aerosol detection (CAD) system

#99
20180067083
2018-03-08

Dielectric barrier discharge ionization detector

#100
20180067082
2018-03-08

Dielectric barrier discharge ionization detector

#101
20180067081
2018-03-08

Dielectric barrier discharge ionization detector

#102
20180067080
2018-03-08

Dielectric barrier discharge ionization detector

#103
20180067079
2018-03-08

Dielectric barrier discharge ionization detector

#104
20180038832
2018-02-08

Discharge-based photo ionisation detector for use with a gas chromatography system

#105
20180011066
2018-01-11

Gas chromatograph

#106
20170336341
2017-11-23

Distributable chemical sampling and sensing system

#107
20170205369
2017-07-20

Sensor for detecting a liquid in a fluid channel

#108
20170108476
2017-04-20

Conductivity detector and ion chromatography system including the same

#109
20170059534
2017-03-02

Systems and apparatus for reducing signal noise due to pump oscillations

#110
20170052155
2017-02-23

Method for measuring formaldehyde in solutions containing certain formaldehyde-releasing biocides

#111
20170010243
2017-01-12

MULTIPLE COLUMN CHROMATOGRAPHIC SYSTEM AND METHODS OF USE

#112
20160341698
2016-11-24

Discharge ionization detector

#113
20160327526
2016-11-10

Method for ion detection

#114
20160299119
2016-10-13

Analytical method for determining the concentration of oxidized nanofibrillar cellulose in a sample

#115
20160238574
2016-08-18

Sensor for Measuring a Property of an Aggressive Liquid

#116
20160169853
2016-06-16

METHOD FOR DETERMINING SUITABILITY OF MARINE FUELS

#117
20160139090
2016-05-19

Method and device for receiving a droplet

#118
20160084808
2016-03-24

METHOD AND DEVICE FOR DETERMINING A COMPOSITION OF A GAS SAMPLE PROCESSED BY MEANS OF GAS CHROMATOGRAPHY

#119
20160003797
2016-01-07

Method for detection of adenosine and metabolites thereof

#120
20150377844
2015-12-31

Discharge ionization current detector

#121
20150369777
2015-12-24

Discharge ionization current detector and tuning method for the same

#122
20150316517
2015-11-05

Device comprising a fluid channel provided with at least one micro or nanoelectronic system and method for carrying out such a device

#123
20150308990
2015-10-29

System and method for analyzing a gas

#124
20150300999
2015-10-22

Measurement system including a network of nanoelectromechanical system resonators

#125
20150285770
2015-10-08

JET ASSEMBLY FOR USE IN DETECTORS AND OTHER DEVICES

#126
20150260693
2015-09-17

Multi-measurement flow cell assembly for liquid chromatography

#127
20150253286
2015-09-10

Dielectric barrier discharge ionization detector and method for tuning the same

#128
20150219621
2015-08-06

COVALENTLY BOUND METABOLITES AS BIOMARKERS

#129
20150090013
2015-04-02

Method and apparatus for scanning detection

#130
20150054521
2015-02-26

Discharge ionization current detector and method for aging treatment of the same

#131
20150042354
2015-02-12

Analysis device provided with discharge ionization current detector

#132
20140352411
2014-12-04

Nebulizer for charged aerosol detection (CAD) system

#133
20140347062
2014-11-27

Photo ionization detector for gas chromatography having at least two separately ionizing sources

#134
20140250984
2014-09-11

Pulsed ion multifunctional detector for both high performance liquid chromatograph and ion chromatograph

#135
20140196520
2014-07-17

Micro discharge devices, methods, and systems

#136
20140145724
2014-05-29

Discharge ionization current detector

#137
20140132277
2014-05-15

Photo ionization detector for gas chromatography having two separately ionizing sources and methods of use

#138
20140102916
2014-04-17

Electrochemical flow cell

#139
20140070814
2014-03-13

Discharge ionization current detector and gas chromatograph

#140
20140053627
2014-02-27

Pulsed discharge helium ionization detector with multiple combined bias/collecting electrodes for gas chromatography and method of use

#141
20130161517
2013-06-27

Adjustable aperture device with integral aperture holes

#142
20130154658
2013-06-20

Discharge ionization current detector

#143
20130091936
2013-04-18

Electrochemical detection cell for liquid chromatography system

#144
20120198915
2012-08-09

Gas analyzer

#145
20120056632
2012-03-08

Conductance detection system and method

#146
20120049854
2012-03-01

NANOWIRE BASED GAS IONIZATION SENSOR

#147
20120006103
2012-01-12

Ion detector and system

#148
20110316551
2011-12-29

Discharge ionization current detector

#149
20110260732
2011-10-27

Discharge ionization current detector

#150
20110234235
2011-09-29

Surface ionization detector

#151
20110211993
2011-09-01

Jet assembly for use in detectors and other devices

#152
20110210718
2011-09-01

Analytic device with photovoltaic power source

#153
20110192722
2011-08-11

Electrochemical detection cell for liquid chromatography system

#154
20110187379
2011-08-04

Discharge ionization current detector

#155
20110133746
2011-06-09

Discharge Ionization Current Detector

#156
20110018546
2011-01-27

Discharge ionization current detector

#157
20100212399
2010-08-26

Gas analyzer

#158
20100045159
2010-02-25

Micro discharge device capable of low voltage discharges in a variety of carrier gases for detection and/or ionization

#159
20090273354
2009-11-05

Dielectric sensing method and system

#160
20090266143
2009-10-29

Separation column for chromatographs

#161
20090218238
2009-09-03

Ion detector and system

#162
20090201035
2009-08-13

Contactless detection cell with reduced detection channel cross-section

#163
20080274561
2008-11-06

METHOD AND APPARATUS FOR DETERMINING A TOTAL CONCENTRATION OF A COMPONENT IN A MIXTURE OF COMPONENTS

#164
20080271520
2008-11-06

Liquid chromatographic analyzer and liquid chromatography analysis

#165
20080258710
2008-10-23

Analysis of liquid chromatography eluates

#166
20070102293
2007-05-10

Electrochemical flow cell, an assembly of and a method of fabrication of the same

#167
20070095125
2007-05-03

Microdischarge detector method and apparatus

#168
20060289809
2006-12-28

Ionization-based detection

#169
20060251543
2006-11-09

Miniaturized gas sensors featuring electrical breakdown in the vicinity of carbon nanotube tips

#170
20060075802
2006-04-13

Method and apparatus for enhanced detection of a specie using a gas chromatograph

#171
20060019400
2006-01-26

Method for the determination of glucuronides in physiological samples

#172
20050258816
2005-11-24

Photoelectrocatalytic method and photoelectrochemical detector for electrochemical analysis

#173
20050214949
2005-09-29

Process for producing chemical product and quality inspection process for chemical used in same

#174
20050160833
2005-07-28

System and method of measuring convection induced impedance gradients to determine liquid flow rates

#175
20050141999
2005-06-30

Micro ion pump

#176
20050077175
2005-04-14

Miniaturized analytical system

#177
20050069456
2005-03-31

Method and apparatus for determining a total concentration of a component in a mixture of components

#178
19026647
2025-08-12

Dielectric sensor capable of identifying resin flow direction and preparation method and application thereof